22% of breast cancers have a causal link to alcohol consumption.
Not very much alcohol is too much for the health of our breasts.
The risk starts from zero and goes up from there.
5% of cancers each year can be attributed to alcohol.
There is a very strong link between alcohol and cancers of the head and neck (mouth pharynx throat oesophagus); also bowel cancer and liver cancer.
The risks go up several times if you add in smoking more than for either smoking or alcohol alone.